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An atom, with atomic mass A = 22 is trapped in a harmonic oscillator with angular frequency 24.5 rad/s. If the atom is cooled into its quantum ground state, what is the spatial rms width Δx (in microns) of its Gaussian probability distribution? [Δx is similar to a classical standard deviation]

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An atom, with atomic mass A = 22 is trapped in a harmonic oscillator with angular frequency 24.5 rad/s. If the atom is cooled into its quantum ground state, what is the spatial rms width Δx (in microns) of its Gaussian probability distribution? [Δx is similar to a classical standard deviation]